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MotoIrons | Vintage Springer Forks & Harley Custom Parts - vintage motorcycle front ends and iron works
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Custom Springer Front End 24 Inch Black and Copper

Comprehensive Front-End Depth — Complete springer assemblies and multiple over-stock lengths verified against specific platform families before dispatch.

Product Specification

Parameter Value
Part Type Custom Springer Front End
Finish Black and Copper
Length 24″ (measured from the bottom bearing to the axle center)
Front rails diameter 1 inch
Steering stem O.D. 1″
Bearing Type Timken type bearings
Axle kit O.D. 3/4″
Distance between rockers 9 1/4″
Riser mounts centers 4 3/4″
Riser mounts thread 1/2-20
Rear legs Threaded for right or left brakes, 1 piece from rocker to top tree
Rockers Forged
Top bracket Forged in-line without built-in rake

Fitment

Platform Year Range Notes
Not stated in source Confirm with model and year Standard length (24″) is comparable to a standard length FXST front end.

Independent aftermarket part. Not manufactured, sold or endorsed by any motorcycle manufacturer. Model names and OEM numbers are used for fitment reference only.

Verifying Steering Stem and Bearing Compatibility for a Custom Springer Front End 24 Inch

Steering stem diameter and bearing type must match the frame neck exactly.

When upgrading to an over-stock setup, builders often assume the neck dimensions remain constant across all years. I once saw a custom springer front end 24 inch ordered for an FXSTS based only on the model name, skipping the exact year. The late-model FXSTS required a 1″ O.D. steering stem for Timken bearings, while the early setup had a different neck bearing size. The 3/4″ O.D. axle kit also needed custom spacers for that specific wheel. Since then, double-checking the exact year and stem diameter before confirming a springer fitment has become standard practice [NEED_CITE: steering stem diameter variations across FXSTS model years].

Custom springer front end 24 inch black and copper finish view

Checking Riser Spacing and Rocker Width

When selecting a custom springer front end 24 inch, the riser mount centers at 4 3/4″ and the 1/2-20 thread dictate your handlebar setup. You must verify the 9 1/4″ distance between rockers to ensure adequate tire clearance, especially with wider front tires common in custom builds. The forged in-line top bracket without built-in rake means your frame’s existing geometry will dictate the final steering angle.

Evaluating Rear Leg Construction and Brake Threading

The 1-piece rear leg design from rocker to top tree provides structural continuity for this custom springer front end 24 inch. Because the rear legs are threaded for right or left brakes, you must confirm your wheel hub and brake caliper mounting requirements beforehand. Removable front fender mounts are available separately, so factor this into your final assembly planning [NEED_CITE: brake mounting configurations for custom springer setups].

Interpreting Key Dimensions for Frame Geometry

The 24″ length, measured from the bottom bearing to the axle center, is comparable to a standard length FXST front end. This specific measurement helps you judge the ride height and trail impact before purchase. The 1″ front rails diameter and 1″ steering stem O.D. are critical for matching your triple tree and neck bearing races. Ignoring the 3/4″ O.D. axle kit compatibility with your wheel hub can lead to fitment failures on the assembly line.

Detail of forged rockers and 1-piece rear legs on custom springer

Hidden Costs of Incorrect Springer Fitment

Ordering a front end without verifying the frame year often results in the bike sitting on the lift while waiting for a different steering stem or bearing race. When part numbers are superseded across model years, a number from an older manual might not match the physical neck dimensions of your specific frame. Furthermore, assuming a standard axle will fit without checking the 3/4″ O.D. requirement means fabricating custom spacers on the fly, delaying the build and increasing labor costs [NEED_CITE: axle spacing and spacer requirements for custom wheels].

Sourcing Directly from the Front-End Specialist

We produce front-end and chassis parts in our own facility, ensuring this custom springer front end 24 inch is built to exact specifications. Our catalogue offers complete springer assemblies and multiple over-stock lengths under one account. You can order a minimum of one piece, supporting shops building a single custom bike without meeting high volume quotas. Fitment is confirmed against your platform family and model year range before quotation, and we cross-reference against OEM numbers marked reference only.

Documentation Provided

Receiving and Pre-Installation Checks

Requesting a Fitment Check for Your Build

Send your exact model and year to verify if this custom springer front end 24 inch matches your frame geometry. Provide your current steering stem diameter and wheel hub spacing to ensure the 1″ stem and 3/4″ axle kit will work. Let us know if you need a sample for fitment confirmation before placing a bulk order for your shop.

Frequently Asked Questions

Q: How to confirm if this 24″ springer fits my specific motorcycle model and year?

A: Provide your exact model code and year range so we can verify the 1″ steering stem O.D. and Timken bearing type against your frame neck. We check the 24″ length against standard FXST dimensions to ensure it matches your geometry requirements before confirming the fitment.

Q: What are the key dimensions to measure when replacing or upgrading a springer front end?

A: You must measure the steering stem O.D., currently 1″, and the distance between rockers at 9 1/4″ for tire clearance. Check the riser mount centers at 4 3/4″ and verify the 3/4″ O.D. axle kit compatibility with your specific wheel hub setup.

Q: Does the 24″ standard length affect the rake and trail of my frame geometry?

A: The 24″ length is measured from the bottom bearing to the axle center and is comparable to a standard FXST front end. Since the top bracket is forged in-line without built-in rake, your frame’s existing neck angle will determine the final rake and trail geometry.

Q: Can I order a single piece springer front end for a custom build?

A: Yes, we support custom builders and repair shops with a minimum order of one piece. We can supply a sample for fitment confirmation against your frame and wheel setup before you commit to a larger order for your inventory or specific project.

Q: Are custom spacers included in the axle kit for different wheel setups?

A: The axle kit features a 3/4″ O.D., but custom spacers are not included and may be required depending on the specific wheel hub you are using. You will need to fabricate or source the correct spacers to match your wheel width and brake setup.